section 8 ISUZU TF SERIES 2004 Repair Manual
[x] Cancel search | Manufacturer: ISUZU, Model Year: 2004, Model line: TF SERIES, Model: ISUZU TF SERIES 2004Pages: 4264, PDF Size: 72.63 MB
Page 272 of 4264
4C1-52 FRONT WHEEL DRIVE
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, and ABS parts, refer to Section Brakes.
Hub
Hub bearing, oil seal
Knuckle spindle
Disc
Caliper
ABS sensor rotor
Cap, Hub flange, Shim, Snap ring
Visual Check
Check the following parts for wear, damage or other abnormal
conditions.
Page 273 of 4264
FRONT WHEEL DRIVE 4C1-53
REASSEMBLY
Refer to SECTION 3E “WHEEL AND TIRE” for wheel removal procedure.
Reassembly Steps
1. Wheel pin
2. Bolt
3. ABS sensor rotor
4. Inner bearing
5. Oil seal
6. Outer bearing
7. Hub and disc assembly
8. Hub nut
9. Lock washer
10. Flange (4
4 model only)
11. Snap ring and shim (4
4 model only)
12. Hub cap
13. Bolt
Page 274 of 4264
4C1-54 FRONT WHEEL DRIVE
Important Operations
1. Wheel Pin
(1) Place hub on a wood workbench or a block of wood,
approx. 6” by 6” to protect the wheel stud ends and threads.
(2) Install wheel stud using a hammer.
Be sure wheel stud is started squarely and seats
completely.
(3) Align index marks and install hub to disc.
2. Bolt
Torque N
m (kgf
m/lb
ft)
103
10 (10.5
1/75.9
7.2)
3. ABS sensor rotor
(1) Set a new ABS sensor rotor, if replacement is required.
(2) Install the ABS sensor rotor in the hub, using special tools.
Installer : 5-8840-2789-0
Grip : 5-8840-0007-0
Refer to the section Brake.
4. Inner Bearing
Outer race ; outer bearing
Install the outer race by driving it into the hub.
Installer : 5-8840-2119-0
(J-36829)
Grip : 5-8840-0007-0
(J-8092)
Page 277 of 4264
FRONT WHEEL DRIVE 4C1-57
FRONT HUB AND DISC
(4
4 Manual Locking Hub Model)
DISASSEMBLY
Refer to SECTION 3E “WHEEL AND TIRE” for wheel removal procedure
RTW440LF000301
Disassembly Steps
1. Bolt
2. Cover assembly
3. Snap ring and shim
4. Body assembly
5. Lock washer
6. Hub nut
7. Hub and disc assembly
8. Outer bearing
9. Oil seal
10. Inner bearing
11. ABS sensor rotor
12. Bolt
13. Wheel pin
14. Clutch assembly
15. Snap ring
16. Knob
17. Compression spring
18. Follower
19. Retaining spring
20. X-ring
21. Snap ring
22. Inner assembly
23. Snap ring
24. Ring
25. Spacer
Page 278 of 4264
4C1-58 FRONT WHEEL DRIVE
Important Operations
1. Bolt
Before removal, shift transfer lever into “2H” position and set
free wheeling hub knob into “FREE” position.
6. Hub nut
Wrench : 5-8840-2117-0
(J-36827)
7. Hub and disc assembly
Before disassembly, remove the disc brake caliper assembly
and hang it on the frame with wires.
Refer to Section “Brake” for disc brake caliper removal
procedure.
14. Clutch Assembly
While pushing follower knob, turn clutch assembly clockwise
and then remove clutch assembly from knob.
19. Retaining Spring
Remove retaining spring from clutch assembly by turning it
counterclockwise.
Page 279 of 4264
FRONT WHEEL DRIVE 4C1-59
12. Bolt
13. Wheel Pin ; Front Hub
(1) Scribe mark on hub to disc before disassembly to insure
proper assembly.
(2) Drive out the ABS sensor rotor using a metal bar and
hammer through the two bolt holes.
Discard the used ABS sensor rotor
Refer to the section Brake.
(3) Clamp hub and disc assembly in vise using protective pads
and remove six (6) disc to hub retaining bolts.
(4) Place hub on a suitable work surface and remove wheel
studs, as required, using a hammer.
Page 280 of 4264
4C1-60 FRONT WHEEL DRIVE
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, and ABS parts, refer to Section Brakes.
Hub
Hub bearing, oil seal
Knuckle spindle
Disc
Caliper
ABS sensor rotor
Cap, Hub flange, Shim, Snap ring
Free wheeling hub parts (Option)
Clutch, Knob, follower, inner, ring and
spring
Visual Check
Check the following parts for wear, damage or other abnormal
conditions.
Page 281 of 4264
FRONT WHEEL DRIVE 4C1-61
REASSEMBLY
Refer to SECTION 3E “WHEEL AND TIRE” for wheel removal procedure.
RTW440LF000401
Reassembly Steps
1. Spacer
2. Ring
3. Snap ring
4. Inner assembly
5. Snap ring
6. X-ring
7. Knob
8. Snap ring
9. Retaining spring
10. Follower
11. Compression spring
12. Clutch assembly
13. Wheel pin
14. Bolt
15. ABS sensor rotor
16. Inner bearing
17. Oil seal
18. Outer bearing
19. Hub and disc assembly
20. Hub nut
21. Lock washer
22. Body assembly
23. Snap ring and shim
24. Cover assembly
25. Bolt
Page 283 of 4264
FRONT WHEEL DRIVE 4C1-63
13. Wheel Pin
(1) Place hub on a wood workbench or a block of wood,
approx. 6” by 6” to protect the wheel stud ends and threads.
(2) Install wheel stud using a hammer.
Be sure wheel stud is started squarely and seats
completely.
(3) Align index marks and install hub to disc.
14. Bolt
Torque N
m (kgf
m/lb
ft)
103
10 (10.5
1/75.9
7.2)
15. ABS sensor rotor
(1) Set a new ABS sensor rotor, if replacement is required.
(2) Install the ABS sensor rotor in the hub, using special tools.
Installer : 5-8840-2789-0
Grip : 5-8840-0007-0
Refer to the section Brake.
16. Inner Bearing
Outer race ; outer bearing
Install the outer race by driving it into the hub.
Installer : 5-8840-2119-0
(J-36829)
Grip : 5-8840-0007-0
(J-8092)
Page 287 of 4264
FRONT WHEEL DRIVE 4C1-67
TROUBLESHOOTING
Refer to this Section to quickly diagnose and repair front axle problems. Each troubleshooting chart has three
headings arranged from left to right.
(1) Checkpoint (2) Trouble Cause (3) Countermeasure
This Section is divided into ten sub-sections:
4
2 Model
1. Wanders and pulls
2. Front wheel shimmy
4
4 Model
1. Oil leak at front axle
2. Oil leak at pinion shaft
3. Noises in front axle drive shaft joint
4. Noises in front axle
5. Wanders and pulls
6. Front wheel shimmy
Propeller shaft
1. Noise
2. Vibration